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I have a 4.145 stroke crank, a set of BBC 6.8 Eagle rods. the 460 block is .080 over. What piston do I need for approx. 11.5 CR? I am using early heads, ported, with a 75cc chamber. Are the KB's the way to go, or do I need to go somewhere else? This is my last piece of the puzzle, and I have heard conflicting stories. First stroker buildup, so I want to be sure that I get the right stuff. Thanks
 

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The KB 152s will net 11.18:1cr in your set-up with zero deck, .080 over and 75cc heads. Up to you whether you want to go elsewhere for the other .32 compression points.
 
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